Watch case



FIG. 1 is a front elevational view of watch case showing my new design;

FIG. 2 is a right side elevational view thereof, the left side elevational view being identical to the right side elevational view;

FIG. 3 is a top plan view thereof, the bottom plan view being identical to the top plan view;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a perspective view thereof. 

The ornamental design for watch case, as shown and described. 